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Structural Engineering and Mechanics Volume 4, Number 2, March 1996 , pages 191-202 DOI: https://doi.org/10.12989/sem.1996.4.2.191 |
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Extension of the adaptive boundary element scheme for the problem with mixed boundary conditions |
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Kamiya N, Aikawa Y, Kawaguchi K
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| Abstract | ||
| This paper presents a construction of adaptive boundary element for the problem with mixed boundary conditions such as heat transfer between heated body surface and surrounding medium. The scheme is based on the sample point error analysis and on the extended error indicator, proposed earlier by the authors for the potential and elastostatic problems, and extended successfully to multidomain and thermoelastic analyses. Since the field variable is connected with its derivative on the boundary, their errors are also interconnected by the specified condition. The extended error indicator on each boundary element is modified to meet with the situation. Two numerical examples are shown to indicate the differences due to the prescribed boundary conditions. | ||
| Key Words | ||
| boundary element method, adaptive mesh, error analysis, h-version method, boundary conditions, mixed boundary conditions, potential problem, elastostatics | ||
| Address | ||
| Kamiya N, NAGOYA UNIV,SCH INFORMAT & SCI,DEPT INFORMAT & NAT SCI,NAGOYA,AICHI 46401,JAPAN NAGOYA UNIV,GRAD SCH,NAGOYA,AICHI 46401,JAPAN NIPPON HP CO,SUGINAMI KU,TOKYO 168,JAPAN | ||